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/* Copyright (c) 2014-2015, Stanislaw Halik <sthalik@misaki.pl>
* Permission to use, copy, modify, and/or distribute this
* software for any purpose with or without fee is hereby granted,
* provided that the above copyright notice and this permission
* notice appear in all copies.
*/
#include "shortcuts.h"
#include <QMutexLocker>
#if defined(_WIN32)
#include <functional>
#include <windows.h>
#include "win32-shortcuts.h"
KeybindingWorker::~KeybindingWorker() {
should_quit = true;
wait();
if (dinkeyboard) {
dinkeyboard->Unacquire();
dinkeyboard->Release();
}
if (din)
din->Release();
}
KeybindingWorker::KeybindingWorker(std::function<void(Key&)> receiver, WId h) :
should_quit(true), receiver(receiver)
{
HWND handle = reinterpret_cast<HWND>(h);
if (DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&din, NULL) != DI_OK) {
qDebug() << "setup DirectInput8 Creation failed!" << GetLastError();
return;
}
if (din->CreateDevice(GUID_SysKeyboard, &dinkeyboard, NULL) != DI_OK) {
din->Release();
din = 0;
qDebug() << "setup CreateDevice function failed!" << GetLastError();
return;
}
if (dinkeyboard->SetDataFormat(&c_dfDIKeyboard) != DI_OK) {
qDebug() << "setup SetDataFormat function failed!" << GetLastError();
dinkeyboard->Release();
dinkeyboard = 0;
din->Release();
din = 0;
return;
}
if (dinkeyboard->SetCooperativeLevel((HWND) handle, DISCL_NONEXCLUSIVE | DISCL_BACKGROUND) != DI_OK) {
dinkeyboard->Release();
din->Release();
din = 0;
dinkeyboard = 0;
qDebug() << "setup SetCooperativeLevel function failed!" << GetLastError();
return;
}
if (dinkeyboard->Acquire() != DI_OK)
{
dinkeyboard->Release();
din->Release();
din = 0;
dinkeyboard = 0;
qDebug() << "setup dinkeyboard Acquire failed!" << GetLastError();
return;
}
should_quit = false;
}
void KeybindingWorker::run() {
BYTE keystate[256];
while (!should_quit)
{
if (dinkeyboard->GetDeviceState(256, (LPVOID)keystate) != DI_OK) {
qDebug() << "Tracker::run GetDeviceState function failed!" << GetLastError();
Sleep(25);
continue;
}
QMutexLocker l(&mtx);
for (int i = 0; i < 256; i++)
{
Key k;
if (keystate[i] & 0x80)
{
switch (i)
{
case DIK_LCONTROL:
case DIK_LSHIFT:
case DIK_LALT:
case DIK_RCONTROL:
case DIK_RSHIFT:
case DIK_RALT:
break;
default:
k.shift = !!(keystate[DIK_LSHIFT] & 0x80) || !!(keystate[DIK_RSHIFT] & 0x80);
k.alt = !!(keystate[DIK_LALT] & 0x80) || !!(keystate[DIK_RALT] & 0x80);
k.ctrl = !!(keystate[DIK_LCONTROL] & 0x80) || !!(keystate[DIK_RCONTROL] & 0x80);
k.keycode = i;
receiver(k);
break;
}
}
}
// keypresses get dropped with high values
Sleep(4);
}
}
#endif
void Shortcuts::bind_keyboard_shortcut(K &key, key_opts& k)
{
#if !defined(_WIN32)
using sh = QxtGlobalShortcut;
if (key)
{
key->setEnabled(false);
key->setShortcut(QKeySequence::UnknownKey);
std::shared_ptr<sh> tmp(nullptr);
key.swap(tmp);
}
key = std::make_shared<sh>();
if (k.keycode != "")
{
key->setShortcut(QKeySequence::fromString(k.keycode, QKeySequence::PortableText));
key->setEnabled();
}
}
#else
key = K();
int idx = 0;
QKeySequence code;
if (k.keycode == "")
code = QKeySequence(Qt::Key_unknown);
else
code = QKeySequence::fromString(k.keycode, QKeySequence::PortableText);
Qt::KeyboardModifiers mods = Qt::NoModifier;
if (code != Qt::Key_unknown)
win_key::from_qt(code, idx, mods);
key.shift = !!(mods & Qt::ShiftModifier);
key.alt = !!(mods & Qt::AltModifier);
key.ctrl = !!(mods & Qt::ControlModifier);
key.keycode = idx;
}
#endif
#ifdef _WIN32
void Shortcuts::receiver(Key &k)
{
std::vector<K*> ks { &keyCenter, &keyToggle, &keyZero };
for (K* k_ : ks)
{
if (k.keycode != k_->keycode)
continue;
if (!k_->should_process())
continue;
if (k_->alt && !k.alt) continue;
if (k_->ctrl && !k.ctrl) continue;
if (k_->shift && !k.shift) continue;
if (k_ == &keyCenter)
emit center();
else if (k_ == &keyToggle)
emit toggle();
else if (k_ == &keyZero)
emit zero();
}
}
#endif
void Shortcuts::reload() {
bind_keyboard_shortcut(keyCenter, s.center);
bind_keyboard_shortcut(keyToggle, s.toggle);
bind_keyboard_shortcut(keyZero, s.zero);
#ifdef _WIN32
bool is_new = keybindingWorker == nullptr;
if (is_new)
{
keybindingWorker = std::make_shared<KeybindingWorker>([&](Key& k) { receiver(k); }, handle);
keybindingWorker->start();
}
#endif
}
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